Introduction & Theoretical Background
Core beliefs are the most fundamental level of cognition and are embedded in schemas. Schemas are an important cognitive structure in the cognitive theory of psychopathology and are believed to contribute to both the development and maintenance of psychological disorders, as well as their recurrence and relapse (Arntz, 2018; Riso & McBride, 2007). Beck (1967) defines schemas as structures “for screening, coding, and evaluating the stimuli that impinge on the organism” (p.283). In this context, core beliefs comprise the verbal representation or ‘content’ of a schema (Beck, 2011; Wills, 2022).
Core beliefs are global, unconditional, and overgeneralized beliefs about the self, other people, and the world. Also referred to as ‘unconditional beliefs’ or ‘central assumptions’, they are usually phrased as all-or-nothing, absolute truths (e.g., “I am good”, “I am bad”) and are experienced by individuals as “just the way things are” (Dowd, 2002).
Core beliefs are also strongly held and difficult to